Changes for page Notes for ChirpStack
Last modified by Kilight Cao on 2024/09/24 15:23
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... ... @@ -212,7 +212,6 @@ 212 212 213 213 = 4. Downlink = 214 214 215 -(% class="wikigeneratedid" %) 216 216 == 4.1 Convert HEX to Base64 == 217 217 218 218 (% style="color:red" %)**Note: Chirpstack uses base64 to downlink, the end node user manual provides HEX format of the downlink commands. So user needs to convert the HEX to Base64.** ... ... @@ -319,15 +319,15 @@ 319 319 { 320 320 if(sha1[n] >= 'A' && sha1[n] <= 'Z') 321 321 { 322 - ascv = sha1.charCodeAt(n) - 55; 321 + ascv = sha1.charCodeAt( n ) - 55; 323 323 } 324 324 else if(sha1[n] >= 'a' && sha1[n] <= 'z') 325 325 { 326 - ascv = sha1.charCodeAt(n) - 87; 325 + ascv = sha1.charCodeAt( n ) - 87; 327 327 } 328 328 else 329 329 { 330 - ascv = sha1.charCodeAt(n) - 48; 329 + ascv = sha1.charCodeAt( n ) - 48; 331 331 } 332 332 \\ bit_arr = (bit_arr << 4) | ascv; 333 333 bit_num += 4; ... ... @@ -548,13 +548,60 @@ 548 548 Finish. 549 549 550 550 550 += **6. How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. ** = 551 551 552 -= 6. Trouble Shooting = 553 553 554 - ==6.1MICMismatch or MICFailed==553 +All data is published to the MQTT topics. if you want to store/get the data, you would have to create an MQTT handler and store the data yourself. 555 555 555 +This example will be shown how to store/get all the data in two ways: 556 556 557 +**//1). Chirpstack ~-~-> Node-red//** 558 + 559 + 560 +[[image:image-20221012184501-1.png]] 561 + 562 +Use MQTT in Nore-red to subscribe to topics published by the chirpstack-application and then continuously write to a file 563 + 564 +[[image:image-20221012174220-2.png]] 565 + 566 + 567 +[[image:image-20221012184655-3.png||height="395" width="1049"]] 568 + 569 + 570 +Each message is continuously logged to a specified file 571 + 572 +[[image:image-20221012174352-3.png]] 573 + 574 + 575 +**//2). MQTT Sub//** 576 + 577 +If you don't want to store the information via node-red, you can get the output via the subscribe command. 578 + 579 + 580 +**If connecting from the same machine, you can use the following command to receive data:** 581 + 582 +(% class="box infomessage" %) 557 557 ((( 584 +mosquitto_sub -h localhost -t "application/#" -v 585 +))) 586 + 587 + 588 +**Different host** 589 + 590 +(% class="box infomessage" %) 591 +((( 592 +mosquitto_sub -h IPADDRESS -p 8883 ~-~-insecure ~-~-cafile ca.pem ~-~-cert cert.pem ~-~-key key.pem -t "application/#" -v 593 +))) 594 + 595 +[[image:image-20221012173639-1.png]] 596 + 597 + 598 += 7. Trouble Shooting = 599 + 600 +== 7.1 MIC Mismatch or MIC Failed == 601 + 602 + 603 +((( 558 558 When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs. 559 559 ))) 560 560
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